Conservação e Restauro 3

Conservação e Restauro
5 ECTS; 2º Ano, 1º Semestre, 15,0 T + 60,0 PL + 3,0 OT

Lecturer
- Fernando dos Santos Antunes

Prerequisites
Not applicable.

Objectives
Understand the artistic evolution of retables; Be able to identify the artists, materials and production techniques; Understand and identify the main causes of alteration and decay of wood objects;Be able to make technical examination and diagnostics;Carry out conservation and restoration treatments

Program
A. RETABLOS AND THE WOODCRAVING OBJECTS: ACTORS, MATERIALS AND PRODUCTION TECHNIQUES
1. Brief introduction to the history of retablos and woodcarving in Portugal
2. The participants in the process of artistic production
2.1. The woodcarvers
2.2. The carpenter’s and cabinetmakers
2.3. The gilders and painters
3. The wood structures and supports
3.1. The woods in woodcarving
3.2. The construction and the art of carving
4. The surfaces
4.1. The preparations layers
4.2. The metallic sheets
4.2.1. The art of gilding silvering
4.3. The pigments, waxes, oils and varnishes
4.4. Other decorative materials: glass, stones, fabrics

B. ALTERATIONS AND DETERIORATION OF WOOD OBJECTS
1. Causes of physical nature
1.1. Temperature Relative Humidity
1.2. Mechanical effects
2. Causes of chemical nature
2.1. Solid, liquid and gaseous pollutants
2.2. Solid and liquid reagents
3. Causes of a biological nature
3.1. Microorganisms - pests
3.2. Macro organisms - plagues
3.3. Harmful animals and plants

C. THEORY OF CONSERVATION AND RESTORATION IN THE RETABLOS AND WOODCRAVING OBJECTS

1. Types of intervention - preventive, conservative and restore
2. Criteria aspects to take into account

D. PREPARATORY PHASE OF TREATMENT
1. Basic rules of organization and operation in the laboratory and in the shipyard
2. Registration and documentation of the work intervention process
2.1. Execution of photographic records
2.2. Execution graphic schemes
2.3. Execution of technical design and mappings
2.4. Fill of the Technical Worksheet & Record sheet
3. Identification of the materials and techniques of artwork
3.1. Naked eye identification
3.2. Macroscopic and microscopic identification
3.3. Identification with exams and analysis
4. Observation and examination of the conservation status
4.1. Identification of environmental conditions of the site of origin of the work
4.2. Identification of previous interventions
4.3. Survey of exams and analysis needs
5. Discussion of results and preparation of diagnosis
6. Formulation of treatment proposal

E. TREATMENT OF CONSERVATION AND RESTORATION
1. Treatment structures and support
1.1. Disassembling elements
1.2. Immunization / disinfestation
1.3. Consolidation
1.4. Stabilization protection of metallic elements
1.5. Review of wood joinery
1.6. Reconstitution of structural elements
1.7. Connection and gluing elements
1.8. Filling gaps
1.9. Reconstitution of missing elements
2. Surface treatment
2.1. Pre-fixing and fixing of surface layers
2.2. Attachment / gluing decorative surface layers
2.3. Cleaning Systems
2.3.1. Cleaning Types
2.3.2. Layers solubility tests
2.3.3. Repainting’s removal
2.3.4. Handling of products and materials - care and protection
2.4. Fill gaps
2.4.1. Levelling the fillings
2.5. Chromatic and pictorial reintegration
2.6. Application of protective layer

Evaluation Methodology
CONTINUOUS ASSESSMENT:
- Technical worksheet & Technical report form (25%);
- Written test (35%);
- Practical performance (30%);
- Attendance (10%).

FINAL ASSESSEMENT:
- Written Exam

Bibliography
- Alves, N. (1989). A Arte da Talha no Porto na Época Barroca. (Vol. I e II). Porto: Arquivo Histórico
- A.V., . (1991). Gilded Wood-Conservation and history. Connecticut: Sound View Press
- Smith, R. (1962). A Talha em Portugal. Lisboa: Livros Horizonte
- Liotta, G. (1991). Gli Inseti e i dani del legno - Problemi di restauro. Firenzi: Nardini Editore
- Gilded Wood-Conservation and history.(1991, 0 de ---). Gilding Conservaton symposium,

Method of interaction
Lectures supported by audiovisual resources.
Laboratory Practice
Tutorial Guidance

Software used in class
Not applicable.